STTH007
Mid-MO
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Joined: 02/23/2005
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In the past I have blown the trailer plug tail/marker light fuse on my truck but now my trailer lights are not working and the fuse is not blown. I hooked the trailer up to my f-i-l's truck and all lights work fine so it is not the trailer. Both the stop and turn lights work fine when hooked to the truck just the tail/marker lights don't. Any clues??
[b]2003 F-250 SC 4X4 6.0 PSD[b]
[b]2004 Arctic Cat 400[b]
[b]1998 Honda Recon[b]
2002 Jayco 265BH[b]
[img]http://www.hunt101.com/img/258866.JPG[/img]
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lv2rom
Kansas City, Missouri
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Joined: 07/12/2006
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Do you have power to the plug in at the back/bed of the truck (specifically the tail light prong)? If so, there is often a fuse in a box (on the trailer) where the umbilical cord connects. If no, and your truck fuses are good, you need to do a wire/connector trace...obviously you have an open circuit.......Brian
2005 F350 Dually -AFE air box/MRSP exhaust/Bags/Bilsteins/Energy Susp./Michleins
2002 Hitchhiker Fiver 29.5 RLBG - Moryde Pin/Gas shocks/Michelin XPS Ribs
1996 Layton Fiver 21ft. Totally reconditioned..Love it!!
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dbbls
Missouri
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Joined: 09/29/2005
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Check your ground. This is a common weak spot.
1999 F250 Superduty, V10 with Banks Power Pack
2004 Colorado 29RL 5th wheel with 3600 watt Onan
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fireman50
Tennessee
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Joined: 03/30/2008
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There are two fuses for towing in that truck. One under the dash and another under the hood in the fuse block.
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STTH007
Mid-MO
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Joined: 02/23/2005
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fireman, if there is a fuse block under the hood I can't find it and the manual does not mention it
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flybaby_3
Near Pt. Huron Mi.
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Joined: 03/02/2007
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On my F250 the under hood fuse panel is on the left (diver's) side just in front of the master cylinder. If I remember right, the cover says "relay center". Had a similar problem this spring and the problem was in the 7 pin connector on the truck. The OEM Ford Plug is non-servicable. You can unplug the harness (somewhere up above the spare tire)from the truck and remove everything but that's it. You have to replace it.
2001 was a good year!
2001 Ford F250 Super Duty SC, V10
2001 Prowler 26H
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Fredzo
SoCal
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Joined: 08/28/2006
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I think someone has the charging circuit in mind when talking about the two fuses.
There's only one fuse in the running lite circuit.
Also, if the ground was bad he'd have no flashers either.
Prolly a busted wire in the running lite circuit.
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